﻿<!DOCTYPE html>
<html>
  <head lang="en">
    <meta charset="UTF-8" />
    <title></title>
    <style type="text/css">
      * {
        margin: 0;
        padding: 0;
      }
      ul {
        list-style: none;
      }
      .wrapper {
        width: 1000px;
        height: 475px;
        margin: 0 auto;
        margin-top: 100px;
      }
      .tab {
        border: 1px solid #ddd;
        border-bottom: 0;
        height: 36px;
        width: 320px;
      }
      .tab li {
        position: relative;
        float: left;
        width: 80px;
        height: 34px;
        line-height: 34px;
        text-align: center;
        cursor: pointer;
        border-top: 4px solid #fff;
      }
      .tab span {
        position: absolute;
        right: 0;
        top: 10px;
        background: #ddd;
        width: 1px;
        height: 14px;
        overflow: hidden;
      }
      .products {
        width: 1002px;
        border: 1px solid #ddd;
        height: 476px;
      }
      .products .main {
        float: left;
        display: none;
      }
      .products .main.selected {
        display: block;
      }
      .tab li.active {
        border-color: red;
        border-bottom: 0;
      }
    </style>
  </head>
  <body>
    <div class="wrapper">
      <ul class="tab">
        <li class="tab-item active">国际大牌<span>◆</span></li>
        <li class="tab-item">国妆名牌<span>◆</span></li>
        <li class="tab-item">清洁用品<span>◆</span></li>
        <li class="tab-item">男士精品</li>
      </ul>
      <div class="products">
        <div class="main selected">
          <a href="###"><img src="images/guojidapai.jpg" alt=""/></a>
        </div>
        <div class="main">
          <a href="###"><img src="images/guozhuangmingpin.jpg" alt=""/></a>
        </div>
        <div class="main">
          <a href="###"><img src="images/qingjieyongpin.jpg" alt=""/></a>
        </div>
        <div class="main">
          <a href="###"><img src="images/nanshijingpin.jpg" alt=""/></a>
        </div>
      </div>
    </div>
    <script>
      const tab = document.querySelectorAll('.wrapper .tab .tab-item')
			const img = document.querySelectorAll('.wrapper .products .main')
			for (let i = 0;i < tab.length;i++) {
			   tab[i].addEventListener('click',function(){
            document.querySelector('.active').classList.remove('active')
            tab[i].classList.add('active')
            document.querySelector('.selected').classList.remove('selected')
            img[i].classList.add('selected')
			   })
			}
    </script>
  </body>
</html>
